code: def serial(self, obj: Exception, context: Dict):
      try:
          buffers = pickle_buffers(obj)
      except (TypeError, pickle.PicklingError):
          buffers = pickle_buffers(UnpickleableError(obj))
      return (), buffers, True
  
file_path: mars/mars/serialization/exception.py
imports: import pickle
  from typing import Dict, List, Union
  from .core import Serializer, buffered, pickle_buffers, unpickle_buffers
label_desc: Use image node_id 1 for calling the ExceptionSerializer obj's underlying member method code with example usage: obj.serial(obj, context) and returns: ,  buffers,  True